11. APPLICATION OF ERYTHROCYTE INDEX FORMULAS IN THE DIFFERENTIAL DIAGNOSIS OF IRON DEFICIENCY ANEMIA AND MILD β-THALASSEMIA. YHCĐ [Internet]. 2025 Jan. 24 [cited 2026 Sept. 30];66(CĐ1-NCKH). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/1973